I have had the following experience with bubble algae and supposed remedies:
9 months in total darkness: no effect
4 emerald crabs (in with bubble algae most of those 9 months): ate it ONLY when ALL other algae was gone
rabbitfish: never touches it
sailfin tang: eats it occassionally only when a bubble is floating free
So, don't buy any fish for the sole purpose of getting rid of the bubble algae unless you see that individual fish eating it.
Allen
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